Re-land else-after-returns

core/src/fxge/skia/fx_skia_blitter_new.cpp

Index: core/src/fxge/skia/fx_skia_blitter_new.cpp
diff --git a/core/src/fxge/skia/fx_skia_blitter_new.cpp b/core/src/fxge/skia/fx_skia_blitter_new.cpp
index da9e6f28f17bdfa9c36e2f0557f10182f19eb88e..3437eb497d6ec86521b3d91b26011baf8bea5565 100644
--- a/core/src/fxge/skia/fx_skia_blitter_new.cpp
+++ b/core/src/fxge/skia/fx_skia_blitter_new.cpp
@@ -8,1603 +8,1602 @@
 #include "../../../include/fxcodec/fx_codec.h"
 #include "SkBlitter.h"
 #include "fx_skia_blitter_new.h"
-	// We use our own renderer here to make it simple
-	void CFX_SkiaRenderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
-	{
-		FXSYS_assert(m_Alpha);
-		if (m_pOriDevice == NULL && composite_span == NULL) return;
-		if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
-		while (1)
-		{
-			int width = runs[0];
-			SkASSERT(width >= 0);
-			if (width <= 0)
-				return;
-			unsigned aa = antialias[0];
-			if (aa)
-				(*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, aa, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
-			runs += width;
-			antialias += width;
-			x += width;
-		}
-	}
+    // We use our own renderer here to make it simple
+    void CFX_SkiaRenderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
+    {
+        FXSYS_assert(m_Alpha);
+        if (m_pOriDevice == NULL && composite_span == NULL) return;
+        if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
+        while (1)
+        {
+            int width = runs[0];
+            SkASSERT(width >= 0);
+            if (width <= 0)
+                return;
+            unsigned aa = antialias[0];
+            if (aa)
+                (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, aa, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
+            runs += width;
+            antialias += width;
+            x += width;
+        }
+    }
 
-	void CFX_SkiaRenderer::blitH(int x, int y, int width)
-	{
-		FXSYS_assert(m_Alpha && width);
-		if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
-		(*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, 255, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
-	}
+    void CFX_SkiaRenderer::blitH(int x, int y, int width)
+    {
+        FXSYS_assert(m_Alpha && width);
+        if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
+        (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, 255, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
+    }
 
-	void CFX_SkiaRenderer::blitV(int x, int y, int height, SkAlpha alpha)
-	{
-		FXSYS_assert(m_Alpha && alpha);
-		if (alpha == 255) {
-			blitRect(x, y, 1, height);
-		} else {
-			int16_t runs[2];
-			runs[0] = 1;
-			runs[1] = 0;
-			while (--height >= 0) {
-				if (y >= m_ClipBox.bottom)
-					return;
-				blitAntiH(x, y ++, &alpha, runs);
-			}
-		}
-	}
-	void CFX_SkiaRenderer::blitRect(int x, int y, int width, int height)
-	{
-		FXSYS_assert(m_Alpha && width);
-		while (--height >= 0){
-			if (y >= m_ClipBox.bottom)
-				return;
-			blitH(x, y ++, width);
-		}
-	}
+    void CFX_SkiaRenderer::blitV(int x, int y, int height, SkAlpha alpha)
+    {
+        FXSYS_assert(m_Alpha && alpha);
+        if (alpha == 255) {
+            blitRect(x, y, 1, height);
+        } else {
+            int16_t runs[2];
+            runs[0] = 1;
+            runs[1] = 0;
+            while (--height >= 0) {
+                if (y >= m_ClipBox.bottom)
+                    return;
+                blitAntiH(x, y ++, &alpha, runs);
+            }
+        }
+    }
+    void CFX_SkiaRenderer::blitRect(int x, int y, int width, int height)
+    {
+        FXSYS_assert(m_Alpha && width);
+        while (--height >= 0){
+            if (y >= m_ClipBox.bottom)
+                return;
+            blitH(x, y ++, width);
+        }
+    }
 
-	void CFX_SkiaRenderer::blitAntiRect(int x, int y, int width, int height,
+    void CFX_SkiaRenderer::blitAntiRect(int x, int y, int width, int height,
                              SkAlpha leftAlpha, SkAlpha rightAlpha)
-	{
-		blitV(x++, y, height, leftAlpha);
-		if (width > 0) {
-			blitRect(x, y, width, height);
-			x += width;
-		}
-		blitV(x, y, height, rightAlpha);
-	}
-	/*---------------------------------------------------------------------------------------------------*/
-	void CFX_SkiaRenderer::CompositeSpan1bpp_0(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_bRgbByteOrder);
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start/8;
+    {
+        blitV(x++, y, height, leftAlpha);
+        if (width > 0) {
+            blitRect(x, y, width, height);
+            x += width;
+        }
+        blitV(x, y, height, rightAlpha);
+    }
+    /*---------------------------------------------------------------------------------------------------*/
+    void CFX_SkiaRenderer::CompositeSpan1bpp_0(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_bRgbByteOrder);
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start/8;
 
-		int index = 0;
-		if (m_pDevice->GetPalette() == NULL)
-			index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
-		else {
-			for (int i = 0; i < 2; i ++)
-				if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
-					index = i;
-		}
-		uint8_t* dest_scan1 = dest_scan;
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			if (src_alpha) {
-				if (!index)
-					*dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
-				else
-					*dest_scan1|= 1 << (7 - (col+span_left)%8);
-			}
-			dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpan1bpp_4(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_bRgbByteOrder);
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start/8;
+        int index = 0;
+        if (m_pDevice->GetPalette() == NULL)
+            index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+        else {
+            for (int i = 0; i < 2; i ++)
+                if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
+                    index = i;
+        }
+        uint8_t* dest_scan1 = dest_scan;
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            if (src_alpha) {
+                if (!index)
+                    *dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
+                else
+                    *dest_scan1|= 1 << (7 - (col+span_left)%8);
+            }
+            dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpan1bpp_4(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_bRgbByteOrder);
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start/8;
 
-		int index = 0;
-		if (m_pDevice->GetPalette() == NULL)
-			index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
-		else {
-			for (int i = 0; i < 2; i ++)
-				if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
-					index = i;
-		}
-		uint8_t* dest_scan1 = dest_scan;
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha * clip_scan[col] / 255;
-			if (src_alpha1) {
-				if (!index)
-					*dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
-				else
-					*dest_scan1|= 1 << (7 - (col+span_left)%8);
-			}
-			dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
-		}
-	}
-	/*-----------------------------------------------------------------------------------------------------*/
-	void CFX_SkiaRenderer::CompositeSpanGray_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		ASSERT(!m_bRgbByteOrder);
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start;
-		if (cover_scan == 255 && m_Alpha == 255) {
-			FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
-			return;
-		}
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
-			dest_scan++;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanGray_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		ASSERT(!m_bRgbByteOrder);
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start;
-		ori_scan += col_start;
-		if (m_Alpha == 255 && cover_scan == 255) {
-			FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
-		} else {
-			int src_alpha = m_Alpha;
+        int index = 0;
+        if (m_pDevice->GetPalette() == NULL)
+            index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+        else {
+            for (int i = 0; i < 2; i ++)
+                if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
+                    index = i;
+        }
+        uint8_t* dest_scan1 = dest_scan;
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha * clip_scan[col] / 255;
+            if (src_alpha1) {
+                if (!index)
+                    *dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
+                else
+                    *dest_scan1|= 1 << (7 - (col+span_left)%8);
+            }
+            dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
+        }
+    }
+    /*-----------------------------------------------------------------------------------------------------*/
+    void CFX_SkiaRenderer::CompositeSpanGray_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        ASSERT(!m_bRgbByteOrder);
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start;
+        if (cover_scan == 255 && m_Alpha == 255) {
+            FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
+            return;
+        }
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+            dest_scan++;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanGray_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        ASSERT(!m_bRgbByteOrder);
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start;
+        ori_scan += col_start;
+        if (m_Alpha == 255 && cover_scan == 255) {
+            FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
+        } else {
+            int src_alpha = m_Alpha;
 #if 1
-			for (int col = col_start; col < col_end; col ++) {
-				int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
-				dest_scan ++;
-			}
+            for (int col = col_start; col < col_end; col ++) {
+                int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+                dest_scan ++;
+            }
 #else
-			if (m_bFullCover) {
-				if (src_alpha == 255) {
-					FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
-					return;
-				}
-				for (int col = col_start; col < col_end; col ++)
-					*dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-			} else {
-				for (int col = col_start; col < col_end; col ++) {
-					int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
-					dest_scan++;
-				}
-			}
+            if (m_bFullCover) {
+                if (src_alpha == 255) {
+                    FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
+                    return;
+                }
+                for (int col = col_start; col < col_end; col ++)
+                    *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+            } else {
+                for (int col = col_start; col < col_end; col ++) {
+                    int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+                    dest_scan++;
+                }
+            }
 #endif
-		}
-	}
+        }
+    }
 
-	void CFX_SkiaRenderer::CompositeSpanGray_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_bRgbByteOrder);
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start;
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha * clip_scan[col] / 255;
-			if (!src_alpha1) {
-				dest_scan ++;
-				continue;
-			}
-			if (src_alpha1 == 255)
-				*dest_scan++ = m_Gray;
-			else {
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha1);
-				dest_scan ++;
-			}
-		}
-	}
+    void CFX_SkiaRenderer::CompositeSpanGray_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_bRgbByteOrder);
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start;
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha * clip_scan[col] / 255;
+            if (!src_alpha1) {
+                dest_scan ++;
+                continue;
+            }
+            if (src_alpha1 == 255)
+                *dest_scan++ = m_Gray;
+            else {
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha1);
+                dest_scan ++;
+            }
+        }
+    }
 
-	void CFX_SkiaRenderer::CompositeSpanGray_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start;
-		ori_scan += col_start;
+    void CFX_SkiaRenderer::CompositeSpanGray_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start;
+        ori_scan += col_start;
 #if 1
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha = m_Alpha * clip_scan[col] / 255;
-			if (src_alpha == 255 && cover_scan == 255) {
-				*dest_scan++ = m_Gray;
-				ori_scan++;
-				continue;
-			}
-			int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
-			dest_scan++;
-		}
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha = m_Alpha * clip_scan[col] / 255;
+            if (src_alpha == 255 && cover_scan == 255) {
+                *dest_scan++ = m_Gray;
+                ori_scan++;
+                continue;
+            }
+            int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+            dest_scan++;
+        }
 
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					dest_scan++;
-					ori_scan++;
-					continue;
-				}
-				if (src_alpha == 255){
-					*dest_scan++ = m_Gray;
-					ori_scan++;
-					continue;
-				}
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-			}
-		} else {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (src_alpha == 255 && cover_scan == 255) {
-					*dest_scan++ = m_Gray;
-					ori_scan++;
-					continue;
-				}
-				int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
-				dest_scan++;
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    dest_scan++;
+                    ori_scan++;
+                    continue;
+                }
+                if (src_alpha == 255){
+                    *dest_scan++ = m_Gray;
+                    ori_scan++;
+                    continue;
+                }
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+            }
+        } else {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (src_alpha == 255 && cover_scan == 255) {
+                    *dest_scan++ = m_Gray;
+                    ori_scan++;
+                    continue;
+                }
+                int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+                dest_scan++;
+            }
+        }
 #endif
-	}
-	/*--------------------------------------------------------------------------------------------------*/
+    }
+    /*--------------------------------------------------------------------------------------------------*/
 
-	void CFX_SkiaRenderer::CompositeSpanARGB_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start<<2;
-		if (m_Alpha == 255 && cover_scan == 255) {
-			FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
-			return;
-		}
-		int src_alpha;
+    void CFX_SkiaRenderer::CompositeSpanARGB_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start<<2;
+        if (m_Alpha == 255 && cover_scan == 255) {
+            FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
+            return;
+        }
+        int src_alpha;
 #if 0
-		if (m_bFullCover) {
-			if (m_Alpha == 255) {
-				FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
-				return;
-			}
-		}
-		else
+        if (m_bFullCover) {
+            if (m_Alpha == 255) {
+                FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
+                return;
+            }
+        }
+        else
 #endif
-			src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			// Dest format: Argb
-			// calculate destination alpha (it's union of source and dest alpha)
-			if (dest_scan[3] == 0) {
-				dest_scan[3] = src_alpha;
-				*dest_scan++ = m_Blue;
-				*dest_scan++ = m_Green;
-				*dest_scan = m_Red;
-				dest_scan += 2;
-				continue;
-			}
-			uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
-			dest_scan[3] = dest_alpha;
-			int alpha_ratio = src_alpha*255/dest_alpha;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-			dest_scan += 2;
-		}
-	}
+            src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            // Dest format: Argb
+            // calculate destination alpha (it's union of source and dest alpha)
+            if (dest_scan[3] == 0) {
+                dest_scan[3] = src_alpha;
+                *dest_scan++ = m_Blue;
+                *dest_scan++ = m_Green;
+                *dest_scan = m_Red;
+                dest_scan += 2;
+                continue;
+            }
+            uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+            dest_scan[3] = dest_alpha;
+            int alpha_ratio = src_alpha*255/dest_alpha;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+            dest_scan += 2;
+        }
+    }
 
-	void CFX_SkiaRenderer::CompositeSpanARGB_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		//ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
-		//ori_scan += col_start << 2;
+    void CFX_SkiaRenderer::CompositeSpanARGB_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        //ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
+        //ori_scan += col_start << 2;
 
-		if (m_Alpha == 255 && cover_scan == 255){
-			FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
-			return;
-		}
-		if (cover_scan == 255) {
-			int dst_color = (0x00ffffff&m_Color)|(m_Alpha<<24);
-			FXSYS_memset(dest_scan, dst_color, (col_end - col_start)<<2);
-			return;
-		}
-		// Do not need origin bitmap, because of merge in pure transparent background
-		int src_alpha_covered = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++)
-		{
-			// shortcut
-			if (dest_scan[3] == 0) {
-				dest_scan[3] = src_alpha_covered;
-				*dest_scan ++ = m_Blue;
-				*dest_scan ++ = m_Green;
-				*dest_scan = m_Red;
-				dest_scan += 2;
-				continue;
-			}
-			// We should do alpha transition and color transition
-			// alpha fg          color fg
-			// alpha bg          color bg
-			// alpha cover       color cover
-			dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], m_Alpha, cover_scan);
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
-			dest_scan += 2;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanARGB_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
+        if (m_Alpha == 255 && cover_scan == 255){
+            FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
+            return;
+        }
+        if (cover_scan == 255) {
+            int dst_color = (0x00ffffff&m_Color)|(m_Alpha<<24);
+            FXSYS_memset(dest_scan, dst_color, (col_end - col_start)<<2);
+            return;
+        }
+        // Do not need origin bitmap, because of merge in pure transparent background
+        int src_alpha_covered = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++)
+        {
+            // shortcut
+            if (dest_scan[3] == 0) {
+                dest_scan[3] = src_alpha_covered;
+                *dest_scan ++ = m_Blue;
+                *dest_scan ++ = m_Green;
+                *dest_scan = m_Red;
+                dest_scan += 2;
+                continue;
+            }
+            // We should do alpha transition and color transition
+            // alpha fg          color fg
+            // alpha bg          color bg
+            // alpha cover       color cover
+            dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], m_Alpha, cover_scan);
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
+            dest_scan += 2;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanARGB_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
 #if 1
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha* clip_scan[col] / 255;
-			if (!src_alpha1) {
-				dest_scan += 4;
-				continue;
-			}
-			if (src_alpha1 == 255) {
-				*(FX_DWORD*)dest_scan = m_Color;
-				dest_scan += 4;
-			} else {
-				// Dest format: Argb
-				// calculate destination alpha (it's union of source and dest alpha)
-				if (dest_scan[3] == 0) {
-					dest_scan[3] = src_alpha1;
-					*dest_scan++ = m_Blue;
-					*dest_scan++ = m_Green;
-					*dest_scan = m_Red;
-					dest_scan += 2;
-					continue;
-				}
-				uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
-				dest_scan[3] = dest_alpha;
-				int alpha_ratio = src_alpha1*255/dest_alpha;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-				dest_scan += 2;
-			}
-		}
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha* clip_scan[col] / 255;
+            if (!src_alpha1) {
+                dest_scan += 4;
+                continue;
+            }
+            if (src_alpha1 == 255) {
+                *(FX_DWORD*)dest_scan = m_Color;
+                dest_scan += 4;
+            } else {
+                // Dest format: Argb
+                // calculate destination alpha (it's union of source and dest alpha)
+                if (dest_scan[3] == 0) {
+                    dest_scan[3] = src_alpha1;
+                    *dest_scan++ = m_Blue;
+                    *dest_scan++ = m_Green;
+                    *dest_scan = m_Red;
+                    dest_scan += 2;
+                    continue;
+                }
+                uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
+                dest_scan[3] = dest_alpha;
+                int alpha_ratio = src_alpha1*255/dest_alpha;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                dest_scan += 2;
+            }
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					dest_scan += 4;
-					continue;
-				}
-				if (src_alpha == 255){
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-					continue;
-				} else {
-					// Dest format: Argb
-					// calculate destination alpha (it's union of source and dest alpha)
-					if (dest_scan[3] == 0) {
-						dest_scan[3] = src_alpha;
-						*dest_scan++ = m_Blue;
-						*dest_scan++ = m_Green;
-						*dest_scan = m_Red;
-						dest_scan += 2;
-						continue;
-					}
-					uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
-					dest_scan[3] = dest_alpha;
-					int alpha_ratio = src_alpha*255/dest_alpha;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-					dest_scan += 2;
-				}
-			}
-		} else {
-			int src_alpha = m_Alpha * cover_scan / 255;
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha1 = src_alpha* clip_scan[col] / 255;
-				if (!src_alpha1) {
-					dest_scan += 4;
-					continue;
-				}
-				if (src_alpha1 == 255) {
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-				} else {
-					// Dest format: Argb
-					// calculate destination alpha (it's union of source and dest alpha)
-					if (dest_scan[3] == 0) {
-						dest_scan[3] = src_alpha1;
-						*dest_scan++ = m_Blue;
-						*dest_scan++ = m_Green;
-						*dest_scan = m_Red;
-						dest_scan += 2;
-						continue;
-					}
-					uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
-					dest_scan[3] = dest_alpha;
-					int alpha_ratio = src_alpha1*255/dest_alpha;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-					dest_scan += 2;
-				}
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    dest_scan += 4;
+                    continue;
+                }
+                if (src_alpha == 255){
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                    continue;
+                } else {
+                    // Dest format: Argb
+                    // calculate destination alpha (it's union of source and dest alpha)
+                    if (dest_scan[3] == 0) {
+                        dest_scan[3] = src_alpha;
+                        *dest_scan++ = m_Blue;
+                        *dest_scan++ = m_Green;
+                        *dest_scan = m_Red;
+                        dest_scan += 2;
+                        continue;
+                    }
+                    uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+                    dest_scan[3] = dest_alpha;
+                    int alpha_ratio = src_alpha*255/dest_alpha;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                    dest_scan += 2;
+                }
+            }
+        } else {
+            int src_alpha = m_Alpha * cover_scan / 255;
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha1 = src_alpha* clip_scan[col] / 255;
+                if (!src_alpha1) {
+                    dest_scan += 4;
+                    continue;
+                }
+                if (src_alpha1 == 255) {
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                } else {
+                    // Dest format: Argb
+                    // calculate destination alpha (it's union of source and dest alpha)
+                    if (dest_scan[3] == 0) {
+                        dest_scan[3] = src_alpha1;
+                        *dest_scan++ = m_Blue;
+                        *dest_scan++ = m_Green;
+                        *dest_scan = m_Red;
+                        dest_scan += 2;
+                        continue;
+                    }
+                    uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
+                    dest_scan[3] = dest_alpha;
+                    int alpha_ratio = src_alpha1*255/dest_alpha;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                    dest_scan += 2;
+                }
+            }
+        }
 #endif
-	}
+    }
 
-	void CFX_SkiaRenderer::CompositeSpanARGB_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		//ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
-		//ori_scan += col_start << 2;
-		// Do not need origin bitmap, because of merge in pure transparent background
-		for (int col = col_start; col < col_end; col ++)
-		{
-			int src_alpha = m_Alpha * clip_scan[col] / 255;
-			int src_alpha_covered = src_alpha * cover_scan / 255;
-			// shortcut
-			if (src_alpha_covered == 0){
-				dest_scan += 4;
-				continue;
-			}
-			// shortcut
-			if (cover_scan == 255 || dest_scan[3] == 0)
-			{
-				// origin alpha always zero, just get src alpha
-				dest_scan[3] = src_alpha_covered;
-				*dest_scan ++ = m_Blue;
-				*dest_scan ++ = m_Green;
-				*dest_scan = m_Red;
-				dest_scan += 2;
-				continue;
-			}
-			// We should do alpha transition and color transition
-			// alpha fg          color fg
-			// alpha bg          color bg
-			// alpha cover       color cover
-			dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover_scan);
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
-			dest_scan += 2;
-		}
-	}
+    void CFX_SkiaRenderer::CompositeSpanARGB_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        //ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
+        //ori_scan += col_start << 2;
+        // Do not need origin bitmap, because of merge in pure transparent background
+        for (int col = col_start; col < col_end; col ++)
+        {
+            int src_alpha = m_Alpha * clip_scan[col] / 255;
+            int src_alpha_covered = src_alpha * cover_scan / 255;
+            // shortcut
+            if (src_alpha_covered == 0){
+                dest_scan += 4;
+                continue;
+            }
+            // shortcut
+            if (cover_scan == 255 || dest_scan[3] == 0)
+            {
+                // origin alpha always zero, just get src alpha
+                dest_scan[3] = src_alpha_covered;
+                *dest_scan ++ = m_Blue;
+                *dest_scan ++ = m_Green;
+                *dest_scan = m_Red;
+                dest_scan += 2;
+                continue;
+            }
+            // We should do alpha transition and color transition
+            // alpha fg          color fg
+            // alpha bg          color bg
+            // alpha cover       color cover
+            dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover_scan);
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
+            dest_scan += 2;
+        }
+    }
 
-	/*-----------------------------------------------------------------------------------------------------------*/
-	void CFX_SkiaRenderer::CompositeSpanRGB32_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += (col_start << 2);
-		if (m_Alpha == 255 && cover_scan == 255) {
-			FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
-			return;
-		}
-		int src_alpha;
+    /*-----------------------------------------------------------------------------------------------------------*/
+    void CFX_SkiaRenderer::CompositeSpanRGB32_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += (col_start << 2);
+        if (m_Alpha == 255 && cover_scan == 255) {
+            FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
+            return;
+        }
+        int src_alpha;
 #if 0
-		if (m_bFullCover)
-			src_alpha = m_Alpha;
-		else
+        if (m_bFullCover)
+            src_alpha = m_Alpha;
+        else
 #endif
-			src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			// Dest format:  Rgb32
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
-			dest_scan += 2;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB32_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
-		ori_scan += col_start << 2;
-		if (m_Alpha == 255 && cover_scan == 255) {
-			FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
-			return;
-		}
-		int src_alpha = m_Alpha;
-		for (int col = col_start; col < col_end; col ++) {
+            src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            // Dest format:  Rgb32
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+            dest_scan += 2;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB32_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
+        ori_scan += col_start << 2;
+        if (m_Alpha == 255 && cover_scan == 255) {
+            FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
+            return;
+        }
+        int src_alpha = m_Alpha;
+        for (int col = col_start; col < col_end; col ++) {
 #if 0
-			if (m_bFullCover) {
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-				*dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
-				dest_scan += 2; ori_scan += 2;
-				continue;
-			}
+            if (m_bFullCover) {
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+                *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+                dest_scan += 2; ori_scan += 2;
+                continue;
+            }
 #endif
-			int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-			int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-			int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
-			ori_scan += 2;
-			*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-			dest_scan += 2;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB32_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
+            int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+            int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+            int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+            ori_scan += 2;
+            *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+            dest_scan += 2;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB32_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
 #if 1
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha * clip_scan[col] / 255;
-			if (!src_alpha1) {
-				dest_scan += 4;
-				continue;
-			}
-			if (src_alpha1 == 255) {
-				*(FX_DWORD*)dest_scan = m_Color;
-				dest_scan += 4;
-			} else {
-				// Dest format: Rgb or Rgb32
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
-				dest_scan += 2;
-			}
-		}
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha * clip_scan[col] / 255;
+            if (!src_alpha1) {
+                dest_scan += 4;
+                continue;
+            }
+            if (src_alpha1 == 255) {
+                *(FX_DWORD*)dest_scan = m_Color;
+                dest_scan += 4;
+            } else {
+                // Dest format: Rgb or Rgb32
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+                dest_scan += 2;
+            }
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					dest_scan += 4;
-					continue;
-				}
-				if (src_alpha == 255) {
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-				} else {
-					// Dest format: Rgb or Rgb32
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
-					dest_scan += 2;
-				}
-			}
-		} else {
-			// Rgb32
-			int src_alpha = m_Alpha * cover_scan / 255;
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha1 = src_alpha * clip_scan[col] / 255;
-				if (!src_alpha1) {
-					dest_scan += 4;
-					continue;
-				}
-				if (src_alpha1 == 255) {
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-				} else {
-					// Dest format: Rgb or Rgb32
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
-					dest_scan += 2;
-				}
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    dest_scan += 4;
+                    continue;
+                }
+                if (src_alpha == 255) {
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                } else {
+                    // Dest format: Rgb or Rgb32
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+                    dest_scan += 2;
+                }
+            }
+        } else {
+            // Rgb32
+            int src_alpha = m_Alpha * cover_scan / 255;
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha1 = src_alpha * clip_scan[col] / 255;
+                if (!src_alpha1) {
+                    dest_scan += 4;
+                    continue;
+                }
+                if (src_alpha1 == 255) {
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                } else {
+                    // Dest format: Rgb or Rgb32
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+                    dest_scan += 2;
+                }
+            }
+        }
 #endif
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB32_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start << 2;
-		ori_scan += col_start << 2;
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB32_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start << 2;
+        ori_scan += col_start << 2;
 #if 1
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha = m_Alpha * clip_scan[col] / 255;
-			if (src_alpha == 255 && cover_scan == 255) {
-				*(FX_DWORD*)dest_scan = m_Color;
-				dest_scan += 4;
-				ori_scan += 4;
-				continue;
-			}
-			int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-			int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-			int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
-			ori_scan += 2;
-			*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-			dest_scan += 2;
-		}
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha = m_Alpha * clip_scan[col] / 255;
+            if (src_alpha == 255 && cover_scan == 255) {
+                *(FX_DWORD*)dest_scan = m_Color;
+                dest_scan += 4;
+                ori_scan += 4;
+                continue;
+            }
+            int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+            int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+            int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+            ori_scan += 2;
+            *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+            dest_scan += 2;
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					*(FX_DWORD*)dest_scan = *(FX_DWORD*)ori_scan;
-					dest_scan += 4;
-					ori_scan += 4;
-					continue;
-				}
-				if (src_alpha == 255) {
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-					ori_scan += 4;
-					continue;
-				}
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-				*dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
-				dest_scan += 2; ori_scan += 2;
-			}
-		} else {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (src_alpha == 255 && cover_scan == 255) {
-					*(FX_DWORD*)dest_scan = m_Color;
-					dest_scan += 4;
-					ori_scan += 4;
-					continue;
-				}
-				int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-				int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-				int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
-				ori_scan += 2;
-				*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-				dest_scan += 2;
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    *(FX_DWORD*)dest_scan = *(FX_DWORD*)ori_scan;
+                    dest_scan += 4;
+                    ori_scan += 4;
+                    continue;
+                }
+                if (src_alpha == 255) {
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                    ori_scan += 4;
+                    continue;
+                }
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+                *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+                dest_scan += 2; ori_scan += 2;
+            }
+        } else {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (src_alpha == 255 && cover_scan == 255) {
+                    *(FX_DWORD*)dest_scan = m_Color;
+                    dest_scan += 4;
+                    ori_scan += 4;
+                    continue;
+                }
+                int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+                int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+                int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+                ori_scan += 2;
+                *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+                dest_scan += 2;
+            }
+        }
 #endif
-	}
-	/*-----------------------------------------------------------------------------------------------------*/
-	void CFX_SkiaRenderer::CompositeSpanRGB24_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += (col_start<<1)+col_start;
-		int src_alpha;
+    }
+    /*-----------------------------------------------------------------------------------------------------*/
+    void CFX_SkiaRenderer::CompositeSpanRGB24_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += (col_start<<1)+col_start;
+        int src_alpha;
 #if 0
-		if (m_bFullCover)
-			src_alpha = m_Alpha;
-		else
+        if (m_bFullCover)
+            src_alpha = m_Alpha;
+        else
 #endif
-			src_alpha = m_Alpha * cover_scan / 255;
-		if (src_alpha == 255) {
-			for (int col = col_start; col < col_end; col ++) {
-				*dest_scan++ = m_Blue;
-				*dest_scan++ = m_Green;
-				*dest_scan++ = m_Red;
-			}
-			return;
-		}
-		for (int col = col_start; col < col_end; col ++) {
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
-			dest_scan ++;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB24_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left + (span_left<<1);
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += (col_start<<1) + col_start;
-		ori_scan += (col_start<<1) + col_start;
-		if (m_Alpha == 255&&cover_scan == 255) {
-			for (int col = col_start; col < col_end; col ++) {
-				*dest_scan ++ = m_Blue;
- 				*dest_scan ++ = m_Green;
-				*dest_scan ++ = m_Red;
-			}
-			return;
-		}
-		for (int col = col_start; col < col_end; col ++) {
+            src_alpha = m_Alpha * cover_scan / 255;
+        if (src_alpha == 255) {
+            for (int col = col_start; col < col_end; col ++) {
+                *dest_scan++ = m_Blue;
+                *dest_scan++ = m_Green;
+                *dest_scan++ = m_Red;
+            }
+            return;
+        }
+        for (int col = col_start; col < col_end; col ++) {
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+            dest_scan ++;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB24_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left + (span_left<<1);
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += (col_start<<1) + col_start;
+        ori_scan += (col_start<<1) + col_start;
+        if (m_Alpha == 255&&cover_scan == 255) {
+            for (int col = col_start; col < col_end; col ++) {
+                *dest_scan ++ = m_Blue;
+                *dest_scan ++ = m_Green;
+                *dest_scan ++ = m_Red;
+            }
+            return;
+        }
+        for (int col = col_start; col < col_end; col ++) {
 #if 0
-			if (m_bFullCover) {
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
-				continue;
-			}
+            if (m_bFullCover) {
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
+                continue;
+            }
 #endif
-			int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
-			int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
-			int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
-			*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-			dest_scan ++;
-		}
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB24_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start + (col_start << 1);
+            int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
+            int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
+            int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
+            *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+            dest_scan ++;
+        }
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB24_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start + (col_start << 1);
 #if 1
-		int src_alpha = m_Alpha * cover_scan /255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha * clip_scan[col] / 255;
-			if (!src_alpha1) {
-				dest_scan += 3;
-				continue;
-			}
-			if (src_alpha1 == 255) {
-				*dest_scan++ = m_Blue;
-				*dest_scan++ = m_Green;
-				*dest_scan++ = m_Red;
-			} else {
-				// Dest format: Rgb
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
-				dest_scan ++;
-			}
-		}
+        int src_alpha = m_Alpha * cover_scan /255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha * clip_scan[col] / 255;
+            if (!src_alpha1) {
+                dest_scan += 3;
+                continue;
+            }
+            if (src_alpha1 == 255) {
+                *dest_scan++ = m_Blue;
+                *dest_scan++ = m_Green;
+                *dest_scan++ = m_Red;
+            } else {
+                // Dest format: Rgb
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+                dest_scan ++;
+            }
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					dest_scan += 3;
-					continue;
-				}
-				if (src_alpha == 255) {
-					*dest_scan++ = m_Blue;
-					*dest_scan++ = m_Green;
-					*dest_scan++ = m_Red;
-				} else {
-					// Dest format: Rgb
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
-					dest_scan ++;
-				}
-			}
-		} else {
-			int src_alpha = m_Alpha * cover_scan /255;
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha1 = src_alpha * clip_scan[col] / 255;
-				if (!src_alpha1) {
-					dest_scan += 3;
-					continue;
-				}
-				if (src_alpha1 == 255) {
-					*dest_scan++ = m_Blue;
-					*dest_scan++ = m_Green;
-					*dest_scan++ = m_Red;
-				} else {
-					// Dest format: Rgb
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
-					dest_scan ++;
-				}
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    dest_scan += 3;
+                    continue;
+                }
+                if (src_alpha == 255) {
+                    *dest_scan++ = m_Blue;
+                    *dest_scan++ = m_Green;
+                    *dest_scan++ = m_Red;
+                } else {
+                    // Dest format: Rgb
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+                    dest_scan ++;
+                }
+            }
+        } else {
+            int src_alpha = m_Alpha * cover_scan /255;
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha1 = src_alpha * clip_scan[col] / 255;
+                if (!src_alpha1) {
+                    dest_scan += 3;
+                    continue;
+                }
+                if (src_alpha1 == 255) {
+                    *dest_scan++ = m_Blue;
+                    *dest_scan++ = m_Green;
+                    *dest_scan++ = m_Red;
+                } else {
+                    // Dest format: Rgb
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+                    dest_scan ++;
+                }
+            }
+        }
 #endif
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB24_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_pDevice->IsCmykImage());
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
-		ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left+(span_left<<1);
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start + (col_start<<1);
-		ori_scan += col_start + (col_start<<1);
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB24_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_pDevice->IsCmykImage());
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
+        ori_scan  = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left+(span_left<<1);
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start + (col_start<<1);
+        ori_scan += col_start + (col_start<<1);
 #if 1
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha = m_Alpha * clip_scan[col] / 255;
-			if (src_alpha == 255 && cover_scan == 255) {
-				*dest_scan++ = m_Blue;
-				*dest_scan++ = m_Green;
-				*dest_scan++ = m_Red;
-				ori_scan += 3;
-				continue;
-			}
-			int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-			int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-			int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
-			*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-			dest_scan ++;
-		}
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha = m_Alpha * clip_scan[col] / 255;
+            if (src_alpha == 255 && cover_scan == 255) {
+                *dest_scan++ = m_Blue;
+                *dest_scan++ = m_Green;
+                *dest_scan++ = m_Red;
+                ori_scan += 3;
+                continue;
+            }
+            int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+            int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+            int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+            *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+            dest_scan ++;
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha){
-					*dest_scan++ = *ori_scan++;
-					*dest_scan++ = *ori_scan++;
-					*dest_scan++ = *ori_scan++;
-					continue;
-				}
-				if (src_alpha == 255){
-					*dest_scan++ = m_Blue;
-					*dest_scan++ = m_Green;
-					*dest_scan++ = m_Red;
-					ori_scan += 3;
-					continue;
-				}
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-				*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
-			}
-		} else {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (src_alpha == 255 && cover_scan == 255) {
-					*dest_scan++ = m_Blue;
-					*dest_scan++ = m_Green;
-					*dest_scan++ = m_Red;
-					ori_scan += 3;
-					continue;
-				}
-				int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
-				int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
-				int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
-				*dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- 				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- 				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
-				dest_scan ++;
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha){
+                    *dest_scan++ = *ori_scan++;
+                    *dest_scan++ = *ori_scan++;
+                    *dest_scan++ = *ori_scan++;
+                    continue;
+                }
+                if (src_alpha == 255){
+                    *dest_scan++ = m_Blue;
+                    *dest_scan++ = m_Green;
+                    *dest_scan++ = m_Red;
+                    ori_scan += 3;
+                    continue;
+                }
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+                *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+            }
+        } else {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (src_alpha == 255 && cover_scan == 255) {
+                    *dest_scan++ = m_Blue;
+                    *dest_scan++ = m_Green;
+                    *dest_scan++ = m_Red;
+                    ori_scan += 3;
+                    continue;
+                }
+                int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+                int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+                int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+                *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+                dest_scan ++;
+            }
+        }
 #endif
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB24_10(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
-		dest_extra_alpha_scan =  (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start+(col_start<<1);
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB24_10(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
+        dest_extra_alpha_scan =  (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start+(col_start<<1);
 #if 1
-		if (m_Alpha == 255 && cover_scan == 255) {
-			for (int col = col_start; col < col_end; col ++) {
-				*dest_scan++ = (uint8_t)m_Blue;
-				*dest_scan++ = (uint8_t)m_Green;
-				*dest_scan++ = (uint8_t)m_Red;
-				*dest_extra_alpha_scan++ = 255;
-			}
-			return;
-		}
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			// Dest format: Rgba
-			// calculate destination alpha (it's union of source and dest alpha)
-			uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
-								(*dest_extra_alpha_scan) * src_alpha / 255;
-			*dest_extra_alpha_scan++ = dest_alpha;
-			int alpha_ratio = src_alpha*255/dest_alpha;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-			dest_scan ++;
-			*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-			dest_scan ++;
-		}
+        if (m_Alpha == 255 && cover_scan == 255) {
+            for (int col = col_start; col < col_end; col ++) {
+                *dest_scan++ = (uint8_t)m_Blue;
+                *dest_scan++ = (uint8_t)m_Green;
+                *dest_scan++ = (uint8_t)m_Red;
+                *dest_extra_alpha_scan++ = 255;
+            }
+            return;
+        }
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            // Dest format: Rgba
+            // calculate destination alpha (it's union of source and dest alpha)
+            uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+                                (*dest_extra_alpha_scan) * src_alpha / 255;
+            *dest_extra_alpha_scan++ = dest_alpha;
+            int alpha_ratio = src_alpha*255/dest_alpha;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+            dest_scan ++;
+            *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+            dest_scan ++;
+        }
 #else
-		if (m_bFullCover) {
-			if (m_Alpha == 255) {
-				for (int col = col_start; col < col_end; col ++) {
-					*dest_scan++ = (uint8_t)m_Blue;
-					*dest_scan++ = (uint8_t)m_Green;
-					*dest_scan++ = (uint8_t)m_Red;
-					*dest_extra_alpha_scan++ = 255;
-				}
-				return;
-			}
-			for (int col = col_start; col < col_end; col ++) {
-				// Dest format: Rgba
-				// calculate destination alpha (it's union of source and dest alpha)
-				uint8_t dest_alpha = (*dest_extra_alpha_scan) + m_Alpha -
-									(*dest_extra_alpha_scan) * m_Alpha / 255;
-				*dest_extra_alpha_scan++ = dest_alpha;
-				int alpha_ratio = m_Alpha*255/dest_alpha;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-				dest_scan ++;
-			}
-		} else {
-			if (m_Alpha == 255 && cover_scan == 255) {
-				for (int col = col_start; col < col_end; col ++) {
-					*dest_scan++ = (uint8_t)m_Blue;
-					*dest_scan++ = (uint8_t)m_Green;
-					*dest_scan++ = (uint8_t)m_Red;
-					*dest_extra_alpha_scan++ = 255;
-				}
-				return;
-			}
-			int src_alpha = m_Alpha * cover_scan / 255;
-			for (int col = col_start; col < col_end; col ++) {
-				// Dest format: Rgba
-				// calculate destination alpha (it's union of source and dest alpha)
-				uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
-									(*dest_extra_alpha_scan) * src_alpha / 255;
-				*dest_extra_alpha_scan++ = dest_alpha;
-				int alpha_ratio = src_alpha*255/dest_alpha;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-				dest_scan ++;
-			}
-		}
+        if (m_bFullCover) {
+            if (m_Alpha == 255) {
+                for (int col = col_start; col < col_end; col ++) {
+                    *dest_scan++ = (uint8_t)m_Blue;
+                    *dest_scan++ = (uint8_t)m_Green;
+                    *dest_scan++ = (uint8_t)m_Red;
+                    *dest_extra_alpha_scan++ = 255;
+                }
+                return;
+            }
+            for (int col = col_start; col < col_end; col ++) {
+                // Dest format: Rgba
+                // calculate destination alpha (it's union of source and dest alpha)
+                uint8_t dest_alpha = (*dest_extra_alpha_scan) + m_Alpha -
+                                    (*dest_extra_alpha_scan) * m_Alpha / 255;
+                *dest_extra_alpha_scan++ = dest_alpha;
+                int alpha_ratio = m_Alpha*255/dest_alpha;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                dest_scan ++;
+            }
+        } else {
+            if (m_Alpha == 255 && cover_scan == 255) {
+                for (int col = col_start; col < col_end; col ++) {
+                    *dest_scan++ = (uint8_t)m_Blue;
+                    *dest_scan++ = (uint8_t)m_Green;
+                    *dest_scan++ = (uint8_t)m_Red;
+                    *dest_extra_alpha_scan++ = 255;
+                }
+                return;
+            }
+            int src_alpha = m_Alpha * cover_scan / 255;
+            for (int col = col_start; col < col_end; col ++) {
+                // Dest format: Rgba
+                // calculate destination alpha (it's union of source and dest alpha)
+                uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+                                    (*dest_extra_alpha_scan) * src_alpha / 255;
+                *dest_extra_alpha_scan++ = dest_alpha;
+                int alpha_ratio = src_alpha*255/dest_alpha;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                dest_scan ++;
+            }
+        }
 #endif
-	}
-	void CFX_SkiaRenderer::CompositeSpanRGB24_14(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
-		dest_extra_alpha_scan =  (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
-		clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start + (col_start << 1);
+    }
+    void CFX_SkiaRenderer::CompositeSpanRGB24_14(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
+        dest_extra_alpha_scan =  (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
+        clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start + (col_start << 1);
 #if 1
-		int src_alpha = m_Alpha * cover_scan / 255;
-		for (int col = col_start; col < col_end; col ++) {
-			int src_alpha1 = src_alpha * clip_scan[col] / 255;
-			if (!src_alpha1) {
-				dest_extra_alpha_scan++;
-				dest_scan += 3;
-				continue;
-			}
-			if (src_alpha1 == 255) {
-				*dest_scan++ = (uint8_t)m_Blue;
-				*dest_scan++ = (uint8_t)m_Green;
-				*dest_scan++ = (uint8_t)m_Red;
-				*dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
-			} else {
-				// Dest format: Rgba
-				// calculate destination alpha (it's union of source and dest alpha)
-				uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
-									(*dest_extra_alpha_scan) * src_alpha1 / 255;
-				*dest_extra_alpha_scan++ = dest_alpha;
-				int alpha_ratio = src_alpha1*255/dest_alpha;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-				dest_scan ++;
-				*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-				dest_scan ++;
-			}
-		}
+        int src_alpha = m_Alpha * cover_scan / 255;
+        for (int col = col_start; col < col_end; col ++) {
+            int src_alpha1 = src_alpha * clip_scan[col] / 255;
+            if (!src_alpha1) {
+                dest_extra_alpha_scan++;
+                dest_scan += 3;
+                continue;
+            }
+            if (src_alpha1 == 255) {
+                *dest_scan++ = (uint8_t)m_Blue;
+                *dest_scan++ = (uint8_t)m_Green;
+                *dest_scan++ = (uint8_t)m_Red;
+                *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+            } else {
+                // Dest format: Rgba
+                // calculate destination alpha (it's union of source and dest alpha)
+                uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
+                                    (*dest_extra_alpha_scan) * src_alpha1 / 255;
+                *dest_extra_alpha_scan++ = dest_alpha;
+                int alpha_ratio = src_alpha1*255/dest_alpha;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                dest_scan ++;
+                *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                dest_scan ++;
+            }
+        }
 #else
-		if (m_bFullCover) {
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha = m_Alpha * clip_scan[col] / 255;
-				if (!src_alpha) {
-					dest_extra_alpha_scan++;
-					dest_scan += 3;
-					continue;
-				}
-				if (src_alpha == 255) {
-					*dest_scan++ = (uint8_t)m_Blue;
-					*dest_scan++ = (uint8_t)m_Green;
-					*dest_scan++ = (uint8_t)m_Red;
-					*dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
-				} else {
-					// Dest format: Rgba
-					// calculate destination alpha (it's union of source and dest alpha)
-					uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
-										(*dest_extra_alpha_scan) * src_alpha / 255;
-					*dest_extra_alpha_scan++ = dest_alpha;
-					int alpha_ratio = src_alpha*255/dest_alpha;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-					dest_scan ++;
-				}
-			}
-		} else {
-			int src_alpha = m_Alpha * cover_scan / 255;
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha1 = m_Alpha * cover_scan * clip_scan[col] / 255;
-				if (!src_alpha1) {
-					dest_extra_alpha_scan++;
-					dest_scan += 3;
-					continue;
-				}
-				if (src_alpha1 == 255) {
-					*dest_scan++ = (uint8_t)m_Blue;
-					*dest_scan++ = (uint8_t)m_Green;
-					*dest_scan++ = (uint8_t)m_Red;
-					*dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
-				} else {
-					// Dest format: Rgba
-					// calculate destination alpha (it's union of source and dest alpha)
-					uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
-										(*dest_extra_alpha_scan) * src_alpha1 / 255;
-					*dest_extra_alpha_scan++ = dest_alpha;
-					int alpha_ratio = src_alpha1*255/dest_alpha;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-					dest_scan ++;
-					*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-					dest_scan ++;
-				}
-			}
-		}
+        if (m_bFullCover) {
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha = m_Alpha * clip_scan[col] / 255;
+                if (!src_alpha) {
+                    dest_extra_alpha_scan++;
+                    dest_scan += 3;
+                    continue;
+                }
+                if (src_alpha == 255) {
+                    *dest_scan++ = (uint8_t)m_Blue;
+                    *dest_scan++ = (uint8_t)m_Green;
+                    *dest_scan++ = (uint8_t)m_Red;
+                    *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+                } else {
+                    // Dest format: Rgba
+                    // calculate destination alpha (it's union of source and dest alpha)
+                    uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+                                        (*dest_extra_alpha_scan) * src_alpha / 255;
+                    *dest_extra_alpha_scan++ = dest_alpha;
+                    int alpha_ratio = src_alpha*255/dest_alpha;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                    dest_scan ++;
+                }
+            }
+        } else {
+            int src_alpha = m_Alpha * cover_scan / 255;
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha1 = m_Alpha * cover_scan * clip_scan[col] / 255;
+                if (!src_alpha1) {
+                    dest_extra_alpha_scan++;
+                    dest_scan += 3;
+                    continue;
+                }
+                if (src_alpha1 == 255) {
+                    *dest_scan++ = (uint8_t)m_Blue;
+                    *dest_scan++ = (uint8_t)m_Green;
+                    *dest_scan++ = (uint8_t)m_Red;
+                    *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+                } else {
+                    // Dest format: Rgba
+                    // calculate destination alpha (it's union of source and dest alpha)
+                    uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
+                                        (*dest_extra_alpha_scan) * src_alpha1 / 255;
+                    *dest_extra_alpha_scan++ = dest_alpha;
+                    int alpha_ratio = src_alpha1*255/dest_alpha;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                    dest_scan ++;
+                    *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                    dest_scan ++;
+                }
+            }
+        }
 #endif
-	}
-	/*-----------------------------------------------------------------------------------------------------*/
+    }
+    /*-----------------------------------------------------------------------------------------------------*/
 
-	// A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
-	void CFX_SkiaRenderer::CompositeSpanCMYK(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
-			int span_left, int span_len, int span_top, uint8_t cover_scan,
-			int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
-			uint8_t* dest_extra_alpha_scan)
-	{
-		ASSERT(!m_bRgbByteOrder);
-		// Cmyk(a)
-		int col_start = span_left < clip_left ? clip_left - span_left : 0;
-		int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
-		if (col_end < col_start) return; // do nothing.
-		dest_scan += col_start * 4;
-		Bpp; // for avoid compile warning.
+    // A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
+    void CFX_SkiaRenderer::CompositeSpanCMYK(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
+            int span_left, int span_len, int span_top, uint8_t cover_scan,
+            int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
+            uint8_t* dest_extra_alpha_scan)
+    {
+        ASSERT(!m_bRgbByteOrder);
+        // Cmyk(a)
+        int col_start = span_left < clip_left ? clip_left - span_left : 0;
+        int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+        if (col_end < col_start) return; // do nothing.
+        dest_scan += col_start * 4;
+        Bpp; // for avoid compile warning.
 
-		if (dest_extra_alpha_scan) {
-			// CMYKa
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha;
-				if (m_bFullCover) {
-					if (clip_scan)
-						src_alpha = m_Alpha * clip_scan[col] / 255;
-					else
-						src_alpha = m_Alpha;
-				} else {
-					if (clip_scan)
-						src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
-					else
-						src_alpha = m_Alpha * cover_scan / 255;
-				}
+        if (dest_extra_alpha_scan) {
+            // CMYKa
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha;
+                if (m_bFullCover) {
+                    if (clip_scan)
+                        src_alpha = m_Alpha * clip_scan[col] / 255;
+                    else
+                        src_alpha = m_Alpha;
+                } else {
+                    if (clip_scan)
+                        src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
+                    else
+                        src_alpha = m_Alpha * cover_scan / 255;
+                }
 
-				if (src_alpha) {
-					if (src_alpha == 255) {
-						*(FX_CMYK*)dest_scan = m_Color;
-						*dest_extra_alpha_scan = (uint8_t)m_Alpha;
-					} else {
-						// Dest format: Cmyka
-						// calculate destination alpha (it's union of source and dest alpha)
-						uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
-							(*dest_extra_alpha_scan) * src_alpha / 255;
-						*dest_extra_alpha_scan++ = dest_alpha;
-						int alpha_ratio = src_alpha*255/dest_alpha;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
-						dest_scan ++;
-						continue;
-					}
-				}
-				dest_extra_alpha_scan++;
-				dest_scan += 4;
-			}
-		} else {
-			// CMYK
-			for (int col = col_start; col < col_end; col ++) {
-				int src_alpha;
-				if (clip_scan)
-					src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
-				else
-					src_alpha = m_Alpha * cover_scan / 255;
+                if (src_alpha) {
+                    if (src_alpha == 255) {
+                        *(FX_CMYK*)dest_scan = m_Color;
+                        *dest_extra_alpha_scan = (uint8_t)m_Alpha;
+                    } else {
+                        // Dest format: Cmyka
+                        // calculate destination alpha (it's union of source and dest alpha)
+                        uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+                            (*dest_extra_alpha_scan) * src_alpha / 255;
+                        *dest_extra_alpha_scan++ = dest_alpha;
+                        int alpha_ratio = src_alpha*255/dest_alpha;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+                        dest_scan ++;
+                        continue;
+                    }
+                }
+                dest_extra_alpha_scan++;
+                dest_scan += 4;
+            }
+        } else {
+            // CMYK
+            for (int col = col_start; col < col_end; col ++) {
+                int src_alpha;
+                if (clip_scan)
+                    src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
+                else
+                    src_alpha = m_Alpha * cover_scan / 255;
 
-				if (src_alpha) {
-					if (src_alpha == 255) {
-						*(FX_CMYK*)dest_scan = m_Color;
-					} else {
-						// Dest format: cmyk
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
-						dest_scan ++;
-						*dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
-						dest_scan ++;
-						continue;
-					}
-				}
-				dest_scan += 4;
-			}
-		}
-	}
+                if (src_alpha) {
+                    if (src_alpha == 255) {
+                        *(FX_CMYK*)dest_scan = m_Color;
+                    } else {
+                        // Dest format: cmyk
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+                        dest_scan ++;
+                        *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+                        dest_scan ++;
+                        continue;
+                    }
+                }
+                dest_scan += 4;
+            }
+        }
+    }
 
 
 
-	//--------------------------------------------------------------------
-	FX_BOOL CFX_SkiaRenderer::Init(CFX_DIBitmap* pDevice, CFX_DIBitmap* pOriDevice, const CFX_ClipRgn* pClipRgn, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bRgbByteOrder,
-		int alpha_flag, void* pIccTransform) //The alpha flag must be fill_flag if exist.
-	{
-		m_pDevice = pDevice;
-		m_pClipRgn = pClipRgn;
-		m_bRgbByteOrder = bRgbByteOrder;
-		m_pOriDevice = pOriDevice;
-		m_pDestScan = NULL;
-		m_pDestExtraAlphaScan = NULL;
-		m_pOriScan = NULL;
-		m_pClipScan = NULL;
-		composite_span = NULL;
-		if (m_pClipRgn)
-			m_ClipBox = m_pClipRgn->GetBox();
-		else {
-			m_ClipBox.left = m_ClipBox.top = 0;
-			m_ClipBox.right = m_pDevice->GetWidth();
-			m_ClipBox.bottom = m_pDevice->GetHeight();
-		}
-		m_pClipMask = NULL;
-		if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF)
-		{
-			m_pClipMask = m_pClipRgn->GetMask();
-			m_pClipScan = m_pClipMask->GetBuffer();
-		}
-		if (m_pDevice->m_pAlphaMask)
-			m_pDestExtraAlphaScan = m_pDevice->m_pAlphaMask->GetBuffer();
-		if (m_pOriDevice)
-			m_pOriScan = m_pOriDevice->GetBuffer();
-		m_pDestScan = m_pDevice->GetBuffer();
+    //--------------------------------------------------------------------
+    FX_BOOL CFX_SkiaRenderer::Init(CFX_DIBitmap* pDevice, CFX_DIBitmap* pOriDevice, const CFX_ClipRgn* pClipRgn, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bRgbByteOrder,
+        int alpha_flag, void* pIccTransform) //The alpha flag must be fill_flag if exist.
+    {
+        m_pDevice = pDevice;
+        m_pClipRgn = pClipRgn;
+        m_bRgbByteOrder = bRgbByteOrder;
+        m_pOriDevice = pOriDevice;
+        m_pDestScan = NULL;
+        m_pDestExtraAlphaScan = NULL;
+        m_pOriScan = NULL;
+        m_pClipScan = NULL;
+        composite_span = NULL;
+        if (m_pClipRgn)
+            m_ClipBox = m_pClipRgn->GetBox();
+        else {
+            m_ClipBox.left = m_ClipBox.top = 0;
+            m_ClipBox.right = m_pDevice->GetWidth();
+            m_ClipBox.bottom = m_pDevice->GetHeight();
+        }
+        m_pClipMask = NULL;
+        if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF)
+        {
+            m_pClipMask = m_pClipRgn->GetMask();
+            m_pClipScan = m_pClipMask->GetBuffer();
+        }
+        if (m_pDevice->m_pAlphaMask)
+            m_pDestExtraAlphaScan = m_pDevice->m_pAlphaMask->GetBuffer();
+        if (m_pOriDevice)
+            m_pOriScan = m_pOriDevice->GetBuffer();
+        m_pDestScan = m_pDevice->GetBuffer();
 
-		m_bFullCover = bFullCover;
+        m_bFullCover = bFullCover;
 
-		FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
-		FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
+        FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+        FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
 
-		m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+        m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
 
-		ICodec_IccModule* pIccModule = NULL;
-		// No lcms engine, we skip the transform
-		if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule())
-			pIccTransform = NULL;
-		else
-			pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+        ICodec_IccModule* pIccModule = NULL;
+        // No lcms engine, we skip the transform
+        if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule())
+            pIccTransform = NULL;
+        else
+            pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
 
-		if (m_pDevice->GetBPP() == 8) { // Gray(a) device
-			ASSERT(!m_bRgbByteOrder);
-			if (m_pDevice->IsAlphaMask()) {
-				//Alpha Mask
-				m_Gray = 255;
-			} else {
-				//Gray(a) device
-				if (pIccTransform) {
-					uint8_t gray;
-					color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
-					pIccModule->TranslateScanline(pIccTransform, &gray, (const uint8_t*)&color, 1);
-					m_Gray = gray;
-				} else {
-					if (bObjectCMYK) {
-						uint8_t r, g, b;
-						AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
-							r, g, b);
-						m_Gray = FXRGB2GRAY(r, g, b);
-					} else {
-						m_Gray = FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
-					}
-				}
-			}
-		} else {
-			if (bDeviceCMYK) { // Cmyk(a) Device
-				ASSERT(!m_bRgbByteOrder);
-				//TODO... opt for cmyk
-				composite_span = &CFX_SkiaRenderer::CompositeSpanCMYK;
-				if (bObjectCMYK) {
-					m_Color = FXCMYK_TODIB(color);
-					if (pIccTransform)
-						pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&m_Color, 1);
-				} else { // Object RGB
-					if (!pIccTransform)
-						return FALSE;
-					color = FXARGB_TODIB(color);
-					pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
-				}
-				m_Red	= ((uint8_t*)&m_Color)[0];
-				m_Green = ((uint8_t*)&m_Color)[1];
-				m_Blue	= ((uint8_t*)&m_Color)[2];
-				m_Gray	= ((uint8_t*)&m_Color)[3];
-				return TRUE;
-			} else {
-				if (pIccTransform) {
-					color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
-					pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
-					((uint8_t*)&m_Color)[3] = m_Alpha;
-					m_Red = ((uint8_t*)&m_Color)[2];
-					m_Green = ((uint8_t*)&m_Color)[1];
-					m_Blue = ((uint8_t*)&m_Color)[0];
-					// Need Johnson to improvement it.
-					if (m_bRgbByteOrder) {
-						// swap
-						m_Red = ((uint8_t*)&m_Color)[0];
-						m_Blue = ((uint8_t*)&m_Color)[2];
-						m_Color = FXARGB_TODIB(m_Color);
-						m_Color = FXARGB_TOBGRORDERDIB(m_Color);
-					}
-				} else {
-					if (bObjectCMYK) {
-						uint8_t r, g, b;
-						AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
-							r, g, b);
-						m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
-						if (m_bRgbByteOrder){
-							m_Color = FXARGB_TOBGRORDERDIB(m_Color);
-							m_Red = b; m_Green = g; m_Blue = r;//
-						}else {
-							m_Color = FXARGB_TODIB(m_Color);
-							m_Red = r; m_Green = g; m_Blue = b;//
-						}
-					} else {
-						if (m_bRgbByteOrder){
-							m_Color = FXARGB_TOBGRORDERDIB(color);
-							ArgbDecode(color, m_Alpha, m_Blue, m_Green, m_Red); //
-						}else {
-							m_Color = FXARGB_TODIB(color);
-							ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
-						}
-					}
-				}
-			}
-		}
-		// Get palette transparency selector
-		m_ProcessFilter = (m_pOriDevice? 1 : 0)	/* has Ori Device flag */
-						+ (m_pDevice->GetBPP() >= 8 ? 2 : 0)	/* bpp flag */
-						+ (m_pClipMask? 4 : 0)					/* has clip region flag */
-						+ (m_pDevice->m_pAlphaMask? 8 : 0);		/* has Alpha Mask chanel flag */
-		switch(m_ProcessFilter) {
-			case 0:
-				composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_0;
-				break;
-			case 2:
-				{
-					if (m_pDevice->GetBPP() == 8)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanGray_2;
-					else if (m_pDevice->GetBPP() == 24)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_2;
-					else
-						composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_2 : &CFX_SkiaRenderer::CompositeSpanRGB32_2;
-				}
-				break;
-			case 3:
-				{
-					if (m_pDevice->GetBPP() == 8)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanGray_3;
-					else if (m_pDevice->GetBPP() == 24)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_3;
-					else
-						composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_3 : &CFX_SkiaRenderer::CompositeSpanRGB32_3;
-				}
-				break;
-			case 4:
-				composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_4;
-				break;
-			case 6:
-				{
-					if (m_pDevice->GetBPP() == 8)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanGray_6;
-					else if (m_pDevice->GetBPP() == 24)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_6;
-					else
-						composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_6 : &CFX_SkiaRenderer::CompositeSpanRGB32_6;
-				}
-				break;
-			case 7:
-				{
-					if (m_pDevice->GetBPP() == 8)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanGray_7;
-					else if (m_pDevice->GetBPP() == 24)
-						composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_7;
-					else
-						composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_7 : &CFX_SkiaRenderer::CompositeSpanRGB32_7;
-				}
-				break;
-			case 1:
-			case 5:
-			case 8:
-			case 9:
-			case 11:
-			case 12:
-			case 13:
-			case 15:
-				//TODO...
-				break;
-			case 10:
-				composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_10;
-				break;
-			case 14:
-				composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_14;
-				break;
-		}
-		if (composite_span == NULL)
-			return FALSE;
-		return TRUE;
-	}
+        if (m_pDevice->GetBPP() == 8) { // Gray(a) device
+            ASSERT(!m_bRgbByteOrder);
+            if (m_pDevice->IsAlphaMask()) {
+                //Alpha Mask
+                m_Gray = 255;
+            } else {
+                //Gray(a) device
+                if (pIccTransform) {
+                    uint8_t gray;
+                    color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+                    pIccModule->TranslateScanline(pIccTransform, &gray, (const uint8_t*)&color, 1);
+                    m_Gray = gray;
+                } else {
+                    if (bObjectCMYK) {
+                        uint8_t r, g, b;
+                        AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
+                            r, g, b);
+                        m_Gray = FXRGB2GRAY(r, g, b);
+                    } else {
+                        m_Gray = FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
+                    }
+                }
+            }
+        } else {
+            if (bDeviceCMYK) { // Cmyk(a) Device
+                ASSERT(!m_bRgbByteOrder);
+                //TODO... opt for cmyk
+                composite_span = &CFX_SkiaRenderer::CompositeSpanCMYK;
+                if (bObjectCMYK) {
+                    m_Color = FXCMYK_TODIB(color);
+                    if (pIccTransform)
+                        pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&m_Color, 1);
+                } else { // Object RGB
+                    if (!pIccTransform)
+                        return FALSE;
+                    color = FXARGB_TODIB(color);
+                    pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
+                }
+                m_Red   = ((uint8_t*)&m_Color)[0];
+                m_Green = ((uint8_t*)&m_Color)[1];
+                m_Blue  = ((uint8_t*)&m_Color)[2];
+                m_Gray  = ((uint8_t*)&m_Color)[3];
+                return TRUE;
+            }
+            if (pIccTransform) {
+                color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+                pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
+                ((uint8_t*)&m_Color)[3] = m_Alpha;
+                m_Red = ((uint8_t*)&m_Color)[2];
+                m_Green = ((uint8_t*)&m_Color)[1];
+                m_Blue = ((uint8_t*)&m_Color)[0];
+                // Need Johnson to improvement it.
+                if (m_bRgbByteOrder) {
+                    // swap
+                    m_Red = ((uint8_t*)&m_Color)[0];
+                    m_Blue = ((uint8_t*)&m_Color)[2];
+                    m_Color = FXARGB_TODIB(m_Color);
+                    m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+                }
+            } else {
+                if (bObjectCMYK) {
+                    uint8_t r, g, b;
+                    AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
+                                       r, g, b);
+                    m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
+                    if (m_bRgbByteOrder){
+                        m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+                        m_Red = b; m_Green = g; m_Blue = r;//
+                    }else {
+                        m_Color = FXARGB_TODIB(m_Color);
+                        m_Red = r; m_Green = g; m_Blue = b;//
+                    }
+                } else {
+                    if (m_bRgbByteOrder){
+                        m_Color = FXARGB_TOBGRORDERDIB(color);
+                        ArgbDecode(color, m_Alpha, m_Blue, m_Green, m_Red); //
+                    }else {
+                        m_Color = FXARGB_TODIB(color);
+                        ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
+                    }
+                }
+            }
+        }
+        // Get palette transparency selector
+        m_ProcessFilter = (m_pOriDevice? 1 : 0) /* has Ori Device flag */
+                        + (m_pDevice->GetBPP() >= 8 ? 2 : 0)    /* bpp flag */
+                        + (m_pClipMask? 4 : 0)                  /* has clip region flag */
+                        + (m_pDevice->m_pAlphaMask? 8 : 0);     /* has Alpha Mask chanel flag */
+        switch(m_ProcessFilter) {
+            case 0:
+                composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_0;
+                break;
+            case 2:
+                {
+                    if (m_pDevice->GetBPP() == 8)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanGray_2;
+                    else if (m_pDevice->GetBPP() == 24)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_2;
+                    else
+                        composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_2 : &CFX_SkiaRenderer::CompositeSpanRGB32_2;
+                }
+                break;
+            case 3:
+                {
+                    if (m_pDevice->GetBPP() == 8)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanGray_3;
+                    else if (m_pDevice->GetBPP() == 24)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_3;
+                    else
+                        composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_3 : &CFX_SkiaRenderer::CompositeSpanRGB32_3;
+                }
+                break;
+            case 4:
+                composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_4;
+                break;
+            case 6:
+                {
+                    if (m_pDevice->GetBPP() == 8)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanGray_6;
+                    else if (m_pDevice->GetBPP() == 24)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_6;
+                    else
+                        composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_6 : &CFX_SkiaRenderer::CompositeSpanRGB32_6;
+                }
+                break;
+            case 7:
+                {
+                    if (m_pDevice->GetBPP() == 8)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanGray_7;
+                    else if (m_pDevice->GetBPP() == 24)
+                        composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_7;
+                    else
+                        composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_7 : &CFX_SkiaRenderer::CompositeSpanRGB32_7;
+                }
+                break;
+            case 1:
+            case 5:
+            case 8:
+            case 9:
+            case 11:
+            case 12:
+            case 13:
+            case 15:
+                //TODO...
+                break;
+            case 10:
+                composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_10;
+                break;
+            case 14:
+                composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_14;
+                break;
+        }
+        if (composite_span == NULL)
+            return FALSE;
+        return TRUE;
+    }
 
-	/*----------------------------------------------------------------------------------------------------*/
-	void CFX_SkiaA8Renderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
-	{
-		FXSYS_assert(m_pDevice);
-		int dst_y = y - m_Top;
-		if (dst_y < 0 || dst_y >=  m_pDevice->GetHeight())
-			return;
+    /*----------------------------------------------------------------------------------------------------*/
+    void CFX_SkiaA8Renderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
+    {
+        FXSYS_assert(m_pDevice);
+        int dst_y = y - m_Top;
+        if (dst_y < 0 || dst_y >=  m_pDevice->GetHeight())
+            return;
 
-		uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
-		uint8_t* dest_pos = dest_scan;
-		while (1)
-		{
-			if (x >= m_dstWidth)
-				return;
-			int width = runs[0];
-			SkASSERT(width >= 0);
-			if (width <= 0)
-				return;
-			unsigned aa = antialias[0];
-			if (aa) {
-				int col_start = x < m_Left ? 0 : x - m_Left;
-				int col_end = x + width;
-				col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
-				int result = col_end - col_start;
-				if (result > 0) {
-					dest_pos = dest_scan + col_start;
-					if (result >= 4)
-						FXSYS_memset(dest_pos, FXARGB_MAKE(aa, aa, aa, aa),result);
-					else
-						FXSYS_memset(dest_pos,aa,result);
-				}
-			}
-			runs += width;
-			antialias += width;
-			x += width;
-		}
-	}
-	void CFX_SkiaA8Renderer::blitH(int x, int y, int width)
-	{
-		FXSYS_assert(m_pDevice);
-		int dst_y = y - m_Top;
-		if (dst_y < 0 || dst_y >=  m_pDevice->GetHeight())
-			return;
-		if (x >= m_dstWidth)
-			return;
-		uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
-		int col_start = x < m_Left ? 0 : x - m_Left;
-		int col_end = x + width;
-		col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
-		int result = col_end - col_start;
-		if (result > 0) {
-			uint8_t* dest_pos = dest_scan + col_start;
-			if (result >= 4)
-				FXSYS_memset(dest_pos, 0xffffffff,result);
-			else
-				FXSYS_memset(dest_pos,255,result);
-		}
-	}
-	void CFX_SkiaA8Renderer::blitV(int x, int y, int height, SkAlpha alpha)
-	{
-		FXSYS_assert(alpha);
-		if (alpha == 255) {
-			blitRect(x, y, 1, height);
-		} else {
-			int16_t runs[2];
-			runs[0] = 1;
-			runs[1] = 0;
-			while (--height >= 0) {
-				if (y >= m_dstHeight)
-					return;
-				blitAntiH(x, y ++, &alpha, runs);
-			}
-		}
-	}
-	void CFX_SkiaA8Renderer::blitRect(int x, int y, int width, int height)
-	{
-		FXSYS_assert(m_pDevice);
-		while (--height >= 0) {
-			if (y >= m_dstHeight)
-				return;
-			blitH(x , y ++, width);
-		}
-	}
+        uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
+        uint8_t* dest_pos = dest_scan;
+        while (1)
+        {
+            if (x >= m_dstWidth)
+                return;
+            int width = runs[0];
+            SkASSERT(width >= 0);
+            if (width <= 0)
+                return;
+            unsigned aa = antialias[0];
+            if (aa) {
+                int col_start = x < m_Left ? 0 : x - m_Left;
+                int col_end = x + width;
+                col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
+                int result = col_end - col_start;
+                if (result > 0) {
+                    dest_pos = dest_scan + col_start;
+                    if (result >= 4)
+                        FXSYS_memset(dest_pos, FXARGB_MAKE(aa, aa, aa, aa),result);
+                    else
+                        FXSYS_memset(dest_pos,aa,result);
+                }
+            }
+            runs += width;
+            antialias += width;
+            x += width;
+        }
+    }
+    void CFX_SkiaA8Renderer::blitH(int x, int y, int width)
+    {
+        FXSYS_assert(m_pDevice);
+        int dst_y = y - m_Top;
+        if (dst_y < 0 || dst_y >=  m_pDevice->GetHeight())
+            return;
+        if (x >= m_dstWidth)
+            return;
+        uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
+        int col_start = x < m_Left ? 0 : x - m_Left;
+        int col_end = x + width;
+        col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
+        int result = col_end - col_start;
+        if (result > 0) {
+            uint8_t* dest_pos = dest_scan + col_start;
+            if (result >= 4)
+                FXSYS_memset(dest_pos, 0xffffffff,result);
+            else
+                FXSYS_memset(dest_pos,255,result);
+        }
+    }
+    void CFX_SkiaA8Renderer::blitV(int x, int y, int height, SkAlpha alpha)
+    {
+        FXSYS_assert(alpha);
+        if (alpha == 255) {
+            blitRect(x, y, 1, height);
+        } else {
+            int16_t runs[2];
+            runs[0] = 1;
+            runs[1] = 0;
+            while (--height >= 0) {
+                if (y >= m_dstHeight)
+                    return;
+                blitAntiH(x, y ++, &alpha, runs);
+            }
+        }
+    }
+    void CFX_SkiaA8Renderer::blitRect(int x, int y, int width, int height)
+    {
+        FXSYS_assert(m_pDevice);
+        while (--height >= 0) {
+            if (y >= m_dstHeight)
+                return;
+            blitH(x , y ++, width);
+        }
+    }
 
-	void CFX_SkiaA8Renderer::blitAntiRect(int x, int y, int width, int height,
+    void CFX_SkiaA8Renderer::blitAntiRect(int x, int y, int width, int height,
                              SkAlpha leftAlpha, SkAlpha rightAlpha)
-	{
-		blitV(x++, y, height, leftAlpha);
-		if (width > 0) {
-			blitRect(x, y, width, height);
-			x += width;
-		}
-		blitV(x, y, height, rightAlpha);
-	}
+    {
+        blitV(x++, y, height, leftAlpha);
+        if (width > 0) {
+            blitRect(x, y, width, height);
+            x += width;
+        }
+        blitV(x, y, height, rightAlpha);
+    }
 
-	FX_BOOL CFX_SkiaA8Renderer::Init(CFX_DIBitmap* pDevice, int Left, int Top)
-	{
-		m_pDevice = pDevice;
-		m_Left = Left;
-		m_Top = Top;
-		if (pDevice){
-			m_dstWidth = m_Left + pDevice->GetWidth();
-			m_dstHeight = m_Top + pDevice->GetHeight();
-		}
-		return TRUE;
-	}
+    FX_BOOL CFX_SkiaA8Renderer::Init(CFX_DIBitmap* pDevice, int Left, int Top)
+    {
+        m_pDevice = pDevice;
+        m_Left = Left;
+        m_Top = Top;
+        if (pDevice){
+            m_dstWidth = m_Left + pDevice->GetWidth();
+            m_dstHeight = m_Top + pDevice->GetHeight();
+        }
+        return TRUE;
+    }
 #endif